Patents by Inventor Alan Wallace Steele

Alan Wallace Steele has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Filter screen assembly
    Patent number: 6942789
    Abstract: A waste water filter screen assembly that has a substantially open foot section to promote more efficient flow through. The rotating grid is generally free hanging. The present invention further provides a drive assembly with square, high friction drive drums mounted on the drive shaft. The present invention further provides idler roller assemblies mounted for guiding the rotating grid adjacent the filter screen assembly head. The open foot section, drive assembly and idler roller assembly are useable with filter grids of both the link element type and the panel type.
    Type: Grant
    Filed: February 10, 2003
    Date of Patent: September 13, 2005
    Assignee: USFilter Corporation
    Inventors: Stephen B. Wilcher, Juan Fernando Segura, Nathan Lawrence Panek, Alan Wallace Steele
  • Filter screen assembly
    Publication number: 20030155286
    Abstract: A waste water filter screen assembly that has a substantially open foot section to promote more efficient flow through. The rotating grid is generally free hanging. The present invention further provides a drive assembly with square, high friction drive drums mounted on the drive shaft. The present invention further provides idler roller assemblies mounted for guiding the rotating grid adjacent the filter screen assembly head. The open foot section, drive assembly and idler roller assembly are useable with filter grids of both the link element type and the panel type.
    Type: Application
    Filed: February 10, 2003
    Publication date: August 21, 2003
    Inventors: Stephen B. Wilcher, Juan Fernando Segura, Nathan Lawrence Panek, Alan Wallace Steele